昆明市“十三五”国控地表水断面(点位)水质评价结果比较

The Comparison of the Assessment Results of the Surface Water Quality of National Monitoring Sections in Kunming City during the Thirteenth Five-year Plan Period

利用昆明市“十三五”国控地表水断面(点位)的年均值以及2019—2020年月均值的监测数据,采用“5+X”和现行“21项”两种评价方式进行水质评价。结果表明:昆明市国控地表水监测断面按“5+X”方式评价,评价结果具备较好的代表性、科学性,与现行“21项”评价结果比较也具有一致性和可比性,“十四五”评价方式的优化调整不会对昆明市国控地表水监测断面水质状况的统一性、连续性产生影响。

Based on the annual average monitoring dataduring the Thirteenth Five-yearPlan period and monthly average monitoring data during 2019-2020 of national controlled surface water sections in Kunming,this research compared the evaluation result of water quality grade by“5+X”Methodology and present 21-Items methodology.The comparison demonstrated that the evaluation result was scientific and representative,meanwhile presenting integrity and consistency with the evaluation result by 21-Items Methodology.In conclusion,the optimization and adjustment of evaluation methodologies would not impose negative impacts on the evaluation results of water quality of national controlled surface water sections in Kunming.